Table of Contents
Advertisement
Dry Contact Signal
There is one dry contact (3A/250VAC) available on the rear panel. It could be used to deliver signal to external
device when battery voltage reaches warning level.
Unit Status
Power Off
Unit is off and no output is powered.
Output is powered from Utility.
Output is
powered
from
Battery
power or
Power On
Solar
energy.
BMS Communication
If connecting to lithium battery, it's requested to buy a special communication cable. For the detailed BMS
communication and installation, please check Appendix B – BMS Communication Installation.
Condition
Program 01
Battery voltage < Low DC warning
set as USB
voltage
(utility first)
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Program 01
Battery voltage < Setting value in
is
set
as
Program 12
SBU
(SBU
Battery voltage > Setting value in
priority) or
Program 13 or battery charging
SUB (solar
reaches floating stage
first)
9
Dry contact port:
NC & C
NO & C
Close
Open
Close
Open
Open
Close
Close
Open
Open
Close
Close
Open
Advertisement
Table of Contents
